Polymer solutions for use in oil recovery containing a complexin

Details Polymer solutions for use in oil recovery containing a complexin Polymer solutions for use in oil recovery containing a complexin

1979-06-20

1981-05-05

Welsh, Maurice J.

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106181, 106194, 106203, 106205, 106208, 252 855D, 260 296H, 260 296MP, 260 296MN, C08L 3326

Patent

active

042656737

ABSTRACT:
A process for preparing a polymer solution for use in "polymer based" oil recovery comprises adding to water the polymer in the form of an aqueous solution, a dry particulate solid or a suspension in a non-aqueous liquid, and also adding a complexing agent for multivalent ions and, where the solution so formed does not already contain an alkali metal salt, subsequently incorporating therein an alkali metal salt. The polymer may be a substantially cell-free microbial polysaccharide gum, a polyacrylamide or a cellulose derivative.

REFERENCES:
patent: 3532166 (1970-10-01), Williams
patent: 3853771 (1974-12-01), Felmann et al.
patent: 4049054 (1977-09-01), Wier
patent: 4078607 (1978-03-01), Carter et al.
patent: 4119546 (1978-10-01), Wernau
patent: 4128482 (1978-12-01), Knight

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